In 2018, LEGO released 4 Ideas sets in the subtheme Licensed, all of these sets have been retired. For that year, the total price of all retail sets cost $355, today those sets are valued around $905, a growth of 155%.
Most valuable 2018 LEGO Ideas set
21311 Voltron $494.69
Highest growth 2018 Ideas set
21314 TRON Legacy +436.95%
Most owned 2018 Ideas set
21313 Ship in a Bottle
4 sets

21311 Voltron

Theme / Subtheme Ideas / Licensed
Year 2018
Pieces 2,321
Availability Retired
21311 LEGO Ideas Voltron
Retail $179.99
Value $494.69
Growth  +174.8%
Annual growth 16.6%

21313 Ship in a Bottle

Theme Ideas
Year 2018
Pieces 962
Availability Retired
21313 LEGO Ideas Ship in a Bottle
Retail $69.99
Value $136.38
Growth  +94.9%
Annual growth 10.8%

21314 TRON Legacy

Theme / Subtheme Ideas / Licensed
Year 2018
Pieces / Minifigs 230 / 3
Availability Retired
21314 LEGO Ideas TRON Legacy
Retail $34.99
Value $187.88
Growth  +437.0%
Annual growth 29.1%

21315 Pop-Up Book

Theme Ideas
Year 2018
Pieces / Minifigs 859 / 5
Availability Retired
21315 LEGO Ideas Pop-Up Book
Retail $69.99
Value $85.68
Growth  +22.4%
Annual growth 6.1%